White bass in Bull Shoals Reservoir were studied from October 1963 through January 1966 to determine age, growth, sex composition, and maturity. Average calculated total length for males and females were calculated at the end of each year of life...

When Congress passed the Endangered Species Act (ESA) in 1973, it recognized that our rich natural heritage is of “esthetic, ecological, educational, recreational, and scientific value to our Nation and its people.” It further expressed concern...

When a species is proposed for listing as endangered or threatened under the Endangered Species Act (Act), we must consider whether there are areas of habitat we believe are essential to the species’ conservation. Those areas may be...

What the U.S. Fish and Wildlife Service (FWS) considers candidate species are those plants and animals that are candidates for listing under the Endangered Species Act (ESA). These are species for which the FWS has enough information regarding...

What are candidate species? Candidate species are plants and animals for which the U.S. Fish and Wildlife Service (FWS) has sufficient information on their biological status and threats to propose them as endangered or threatened under the...